Title :
Design of adiabatic connections for ultra-low-loss waveguides
Author :
Tong Chen ; Hansuek Lee ; Vahala, Kerry J.
Author_Institution :
T.J. Watson Lab. of Appl. Phys., California Inst. of Technol. Pasadena, Pasadena, CA, USA
Abstract :
We propose a variational approach to design adiabatic waveguide connections with minimal intermodal coupling. A design of the “S-bend” of whispering-gallery spiral waveguides is demonstrated with approximately 0.05 dB insertion loss.
Keywords :
optical losses; optical waveguides; whispering gallery modes; S-bend; adiabatic connections; insertion loss; minimal intermodal coupling; ultra-low-loss waveguides; whispering-gallery spiral waveguides; Backscatter; Insertion loss; Integrated optics; Optical coupling; Optical losses; Optical waveguides; Spirals;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
